<template>
  <div class="container">
    <div class="header">
      <van-icon @click="goBack" name="arrow-left" class="header-left" size="30" />
      填写服务订单
    </div>
    <statusBar item="0" />
    <van-cell class="cell">
      <template #title>
        <van-image width="25" height="25" :src="createInfo.service.serviceImg" />
        <span class="server-name">{{ createInfo.service.serviceName }}</span>
      </template>
      <template #default>
        <div class="service-text">服务内容</div>
      </template>
    </van-cell>
    <van-cell-group class="cell">
      <van-cell>
        <template #title>就诊医院</template>
        <template #default>
          <div @click="showHospital = true">
            {{ form.hospital_name || "请选择就诊医院" }}
            <van-icon name="arrow" />
          </div>
        </template>
      </van-cell>
      <van-cell>
        <template #title>就诊时间</template>
        <template #default>
          <div @click="showStarTime = true">
            {{ currentDate || "请选择就诊时间" }}
            <van-icon name="arrow" />
          </div>
        </template>
      </van-cell>
      <van-cell>
        <template #title>陪诊师</template>
        <template #default>
          <div @click="showComponion = true">
            {{ componionName || "请选择陪护师" }}
            <van-icon name="arrow" />
          </div>
        </template>
      </van-cell>
      <van-cell>
        <template #title>接送地址</template>
        <template #default>
          <van-field class="text" input-align="right" v-model="form.receiveAddress" placeholder="请填写接送地址" />
        </template>
      </van-cell>
      <van-cell>
        <template #title>联系电话</template>
        <template #default>
          <van-field class="text" input-align="right" v-model="form.tel" placeholder="请填写联系电话" />
        </template>
      </van-cell>
    </van-cell-group>
    <van-cell-group title="服务需求" class="cell">
      <van-field class="text" style="height: 100px;" v-model="form.demand" placeholder="请简单描述您要就诊的科室" />
    </van-cell-group>
    <van-button @click="submit" class="sumbit" type="primary" size="large">提交订单</van-button>

    <van-popup :show="showHospital" position="bottom" :style="{ height: '47%' }">
      <van-picker :columns="showHospColumns" @confirm="showHospConfirm" @cancel="showHospital = false" />
    </van-popup>
    <van-popup :show="showStarTime" position="bottom" :style="{ height: '47%' }">
      <van-date-picker @confirm="showTimeConfirm" @cancel="showStarTime = false" title="选择日期" :min-date="minDate" />
    </van-popup>
    <van-popup :show="showComponion" position="bottom" :style="{ height: '47%' }">
      <van-picker :columns="componionColumns" @confirm="showComponionConfirm" @cancel="showComponion = false" />
    </van-popup>
    <!-- 二维码支付弹窗 -->
     <van-dialog :show-confirm-button="false" :show="showCode">
        <van-icon name="cross" class="close" @click="closeCode" />
        <div>微信支付</div>
        <van-image width="150" height="150" :src="codeImg" />
        <div>请使用微信扫码</div>
     </van-dialog>
  </div>
</template>

<script setup>
import { computed, getCurrentInstance, onMounted, reactive, ref } from 'vue';
import { useRouter } from 'vue-router';
import StatusBar from '../../components/statusBar.vue';
import { Dialog } from 'vant';
import Qrcode from 'qrcode'

// 获取当前vue实例
const { proxy } = getCurrentInstance()

const createInfo = reactive({
  companion: [],
  hospitals: [],
  service: {}
})

onMounted(async () => {
  const { data } = await proxy.$api.h5Companion()
  Object.assign(createInfo, data.data)
})

const router = useRouter()

// 点击返回
const goBack = () => {
  router.go(-1)
}

// form数据
const form = reactive({})

// 就诊医院
const showHospital = ref(false)
const showHospColumns = computed(() => {
  return createInfo.hospitals.map(item => {
    return { text: item.name, value: item.id }
  })
})

// 选择医院
const showHospConfirm = (item) => {
  form.hospital_id = item.selectedOptions[0].value
  form.hospital_name = item.selectedOptions[0].text
  // 关闭弹窗
  showHospital.value = false
}

// 选择就诊时间
const showStarTime = ref(false)
const currentDate = ref()

//最小日期
const minDate = ref(new Date())
const showTimeConfirm = (item) => {
  const dateStr = item.selectedValues.join('-')
  currentDate.value = dateStr
  form.starttime = new Date(dateStr).getTime()
  showStarTime.value = false
}

// 选择陪诊师
const showComponion = ref(false)
const componionColumns = computed(() => {
  return createInfo.companion.map(item => {
    return { text: item.name, value: item.id }
  })
})

const componionName = ref()
const showComponionConfirm = (item) => {
  form.companion_id = item.selectedOptions[0].value
  componionName.value = item.selectedOptions[0].text
  showComponion.value = false
}

// 支付弹窗
const showCode =ref(false)
const codeImg = ref('')
const closeCode =()=>{
  showCode.value = false
  router.push('/order')
}

//提交表单
const submit = async() => {
  const params = [
    'hospital_id',
    'hospital_name',
    'demand',
    'companion_id',
    'receiveAddress',
    'tel',
    'starttime',
  ]
  for (const i of params) {
    if (!form[i]) {
      showNotify({ message: '请把所有选项填写完再提交' });
      return
    }
  }
  const {data:orderRes} =await proxy.$api.createOrder(form)
  Qrcode.toDataURL(orderRes.data.wx_code).then((url)=>{
    showCode.value = true
    codeImg.value = url
  })
}

</script>

<style lang="less" scoped>
.container {
  background-color: #f0f0f0;
  height: 100vh;
}

.header {
  padding: 10px 0;
  text-align: center;
  line-height: 30px;
  font-size: 15px;

  .header-left {
    float: left;
  }
}

.cell {
  width: 95%;
  margin: 5px auto;
  background-color: #fff;

  ::v-deep(.van-field__control) {
    color: var(--van-cell-value-color);
  }

  ::v-deep(.van-cell__title) {
    display: flex;
    align-items: center;
  }

  .server-name {
    margin-left: 10px;
  }
}

.service-text {
  background: url() no-repeat center center;
  background-size: 20px;
}

.sumbit {
  position: absolute;
  bottom: 0;
}

::v-deep(.van-dialog__content) {
  text-align: center;
  padding: 20px;

  .close {
    position: absolute;
    left: 20px;
  }
}
</style>